JPH03103659U - - Google Patents
Info
- Publication number
- JPH03103659U JPH03103659U JP1054190U JP1054190U JPH03103659U JP H03103659 U JPH03103659 U JP H03103659U JP 1054190 U JP1054190 U JP 1054190U JP 1054190 U JP1054190 U JP 1054190U JP H03103659 U JPH03103659 U JP H03103659U
- Authority
- JP
- Japan
- Prior art keywords
- mouthpiece
- transmitter
- air chamber
- noise
- handset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
Landscapes
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1054190U JPH03103659U (de) | 1990-02-07 | 1990-02-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1054190U JPH03103659U (de) | 1990-02-07 | 1990-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103659U true JPH03103659U (de) | 1991-10-28 |
Family
ID=31514101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1054190U Pending JPH03103659U (de) | 1990-02-07 | 1990-02-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103659U (de) |
-
1990
- 1990-02-07 JP JP1054190U patent/JPH03103659U/ja active Pending